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A078481 as a simple table

n a(n)
0 0
1 1
2 1
3 3
4 7
5 19
6 53
7 153
8 453
9 1367
10 4191
11 13015
12 40857
13 129441
14 413337
15 1328971
16 4298727
17 13978971
18 45673981
19 149867513
20 493638797
21 1631616239
22 5410015615
23 17990076527
24 59981630321
25 200476419713
26 671564145137
27 2254338511507
28 7582179238151
29 25547868961315

[0,1,1,3,7,19,53,153,453,1367,4191,13015,40857,
 129441,413337,1328971,4298727,13978971,45673981,
 149867513,493638797,1631616239,5410015615,
 17990076527,59981630321,200476419713,671564145137,
 2254338511507,7582179238151,25547868961315]

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Last modified May 16 20:35 EDT 2024. Contains 372555 sequences. (Running on oeis4.)